Create V2.1.1 to attempt fix of PyPi installation error caused by missing HISTORY.md.

Author: devbisme

.vscode/settings.json

@@ -4,5 +4,7 @@
     "python.languageServer": "Pylance",
     "esbonio.server.enabled": true,
     "esbonio.sphinx.confDir": "${workspaceFolder}/docs",
-    "makefile.configureOnOpen": false
+    "makefile.configureOnOpen": false,
+    "python-envs.defaultEnvManager": "ms-python.python:pyenv",
+    "python-envs.pythonProjects": []
 }

HISTORY.md

@@ -1,5 +1,10 @@
 # History
 
+## 2.1.1 (2025-08-31)
+
+- Added a cheatsheet for SKiDL 2.1.0.
+- Fixed error in PyPi installation.
+
 ## 2.1.0 (2025-08-30)
 
 - Fixed #238: tstamps were incorrectly generated for netlist files.